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Manila Bulletin devider Philippines devider National devider Magnitude 6.0 quake jolts Surigao del Norte on Oct. 17

Magnitude 6.0 quake jolts Surigao del Norte on Oct. 17

Not an aftershock of 7.4-magnitude Davao Oriental quake, says Phivolcs

Published Oct 17, 2025 07:45 am
PHIVOLCS
PHIVOLCS
The Philippine Institute of Volcanology and Seismology (Phivolcs) said a magnitude 6.0 earthquake shook Surigao del Norte at around 7:03 a.m. on Friday, Oct. 17.
The tremor was initially measured at magnitude 6.2 before being revised.
Phivolcs said the epicenter was located 22 kilometers southeast of General Luna, Surigao del Norte, at a shallow depth of 28 kilometers.
The quake was felt at Intensity V (strong) in Basilisa, Cagdianao, Dinagat, and San Jose in Dinagat Islands, and in Claver, Surigao del Norte.
Intensity IV (moderately strong) shaking was felt in Anahawan, Hinunangan, Hinundayan, Liloan, Pintuyan, Saint Bernard, San Francisco, San Juan, San Ricardo, and Silago in Southern Leyte; Butuan City in Agusan del Norte; Libjo and Tubajon in Dinagat Islands; and Surigao City in Surigao del Norte.
Intensity III (weak) tremor was experienced in Abuyog, Dulag, Palo, and Tacloban City in Leyte, and in Nasipit, Agusan del Norte, while Intensity II (slightly felt) was felt in Alangalang, Babatngon, and Burauen in Leyte; Malaybalay City, Bukidnon; Cagayan de Oro City, Misamis Oriental; and Laak, Maco, Monkayo, and New Bataan in Davao de Oro.
Instrumental intensities were recorded at Intensity IV in Hinunangan, Hinundayan, San Francisco, and Silago in Southern Leyte; Cabadbaran City and Butuan City in Agusan del Norte; and Surigao City in Surigao del Norte. Intensity III was recorded in Abuyog, Alangalang, Dulag, and Hilongos in Leyte; Intensity II in San Juan, Southern Leyte; and Intensity I in Burauen, Leyte; Cagayan de Oro City, Misamis Oriental; and Davao City, Davao del Sur.
Phivolcs clarified that the tremor was not an aftershock of the 7.4-magnitude earthquake on Oct. 10, though it was also generated by movement along the Philippine Trench.
As of 8 a.m., the 6.0-magnitude quake had triggered 113 aftershocks, with magnitudes ranging from 1.2 to 4.4. However, none of these were felt.

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PHIVOLCS SURIGAO DEL NORTE 6.0-MAGNITUDE AFTERSHOCKS PHILIPPINE TRENCH
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